ui.c: Allow sorting on some columns with the search results tab
ui.c: Allow sorting on some columns with the search results tab

Hmm, ui.c has already grown beyond the 2000 lines. There's no obvious
way to split this up, other than putting each tab in a separate file.
But since that results in many rather small files, let's just keep it
together in ui.c

srijan/ncdc,srijan/ncdc,Tilka/ncdc,srijan/ncdc,Tilka/ncdc